Step portion of a folding step assembly



FIG. 1 is a perspective view of a step portion of a folding step assembly showing my new design;

FIG. 2 is bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof, it being understood that the left side view is a mirror image reversal of the right side view;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken line disclosure of other portions of a step of a folding step assembly is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a step portion of a folding step assembly, as shown and described. 